Knife



FIG. 1 is a front, top and left side perspective view of a knife showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is an enlarged left side view thereof; and,

FIG. 7 is an enlarged cross-sectional view taken along line 7-7 in FIG. 2.

The broken lines depict portions of the knife in which the design is embodied that are not considered part of the claimed design. 

CLAIM The ornamental design for a knife, as shown and described. 